Configured for seismic vibration monitoring in rotating machinery, the Bently Nevada 330400-01-05 (330400 Accelerometer) provides direct physical execution of acceleration-to-voltage signal conversion within TSI platforms. This device captures high-frequency vibration data, enabling the detection of rolling element bearing degradation and high-frequency gear mesh phenomena.
| Suffix | Description |
|---|---|
| 330400 | Base Model: Accelerometer Acceleration Transducer |
| 01 | Mounting Thread: 1/4-28 UNF integral stud |
| 05 | Agency Approvals: CSA, ATEX, IECEx |
| Parameter | Specification |
|---|---|
| Model | 330400-01-05 |
| Brand | Bently Nevada |
| Origin | USA |
| Weight | 1.0 kg |
| Dimensions | Standard accelerometer housing |
| Operating Temp | -55 deg C to +121 deg C |
| Power Consumption | 2 mA to 10 mA constant current |
| Mounting | 1/4-28 UNF stud |
The 330400 series accelerometer is designed for applications where rotor dynamics analysis requires frequency response beyond the capabilities of displacement-based eddy-current probes. Proper scaling of the acceleration signal is contingent upon the transducer sensitivity being correctly mapped within the monitoring system software. To maintain signal integrity, avoid ground loops by utilizing isolated mounting pads when the machine casing is at a different potential than the instrument common. The use of a 1/4-28 UNF integral stud ensures a rigid mechanical coupling to the measurement surface, which is necessary to prevent high-frequency mechanical resonance that could artificially inflate the perceived vibration amplitude.
Q: Can this accelerometer be used with any standard Bently Nevada vibration monitor?
A: The sensor requires a constant current source (typically 24 VDC) provided by the host monitoring card. Ensure the monitor supports ICP-type transducers and is configured for the specific sensitivity of the 330400 unit.
Q: Is there a specific torque requirement for the 1/4-28 UNF mounting stud?
A: Yes. To ensure a flat, rigid frequency response, tighten the stud to the manufacturer-specified torque value (typically 3.4 Nm). Overtightening may damage the stud threads, while undertightening causes attenuation of high-frequency data.
Nuestra línea de producción se paró debido a un monitor Bently Nevada defectuoso. Lo encontramos en stock aquí y lo enviaron por DHL de inmediato. Volvió a funcionar en 48 horas, lo que realmente salvó nuestra planta.
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